I'm the part of the digestive tract that absorbs only water.
What is the large intestine?
I have lots of surface area for gas exchange in a clam.
What are gills?
I'm made of only proteins and DNA.
What are viruses? What is a bacteriophage?
I help the cell maintain its internal environment, as in homeostasis.
What is a cell membrane?
I'm a single-celled swimmer with a nucleus in your pond water.
What is an "animal-like" protist?
Pee has this in it.
What is urea? What is water? What is salt? What is H+? Basically, what is anything EXCEPT big molecules like ______________?
I have a 4 chamber heart, one-way lungs, amniotic eggs, and am a endotherm.
What is a bird?
I'm a eukaryote cell and this helps me organize 'cause I'm HUGE!
What is compartmentalization or having organelles
What is bone? What is parathyroid hormone?
I'm a "fun guy" and this bigger part of me stays in the dirt.
What is mycelium?
Photosynthesis needs water and this molecule - which it "fixes".
What is carbon dioxide?
I have two spirals that twist to the right and can be found in a nucleus or in the nucleoid.
What is DNA?
Love using this for bacterial infections, but I better not see you use it for a viral infection!
What are antibiotics?
I'm the random portion of natural selection
What is a mutation (to generate variation)?
I'm the shortest of plants, with a little root that goes sideways, and I don't have xylem or phloem, sigh...
What is a moss?
I'm a red blood cell and, sadly, I burst in this kind of environment.
What is hypotonic?
I'm little holes where water evaporates and CO2 enters.
What are stomata?
I'm great for seed dispersal.
What is a fruit?
Drs. Hardy and Weinberg wanted big populations to avoid this mechanism of microevolution.
What is genetic drift (bottleneck or founder effect)?
The variable that is measured in an experiment.
What is a dependent variable.
The movement of water from the roots to the atmosphere through a tree....
What is inspire? No! Respire? No! What is TRANSPIRE!!
I'm the product of two meiotic events and am 1 in 8 million possibilities for each.
Who am I???
String me together with others to make a protein.
What are amino acids?
I'm a Galapagos finch that's very picky about who I mate with - my mate must have the same beak size and love my song.
What is they have a behavioral barrier (different mating songs), habitat barrier (different islands), etc? Any answer that has a barrier to breeding/reproduction. What is speciation?
I'm dead, but I can move water
What is a xylem?